recommend some papers about level shifter
#level shifter
#voltage translation
#logic gates
#signal conversion
#digital circuits
#IC
#MOSFET
#CMOS
#TTL
#voltage regulator
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Logic PSU with Overvoltage Protection
The 5 volt regulated power supply for TTL and 74LS series integrated circuits has to be very precise and tolerant of voltage transients. These ICs are easily damaged by short voltage spikes. A fuse will blow when its current rating...
Mosfet Mixer-Oscillator Circuit For Am Receivers Circuit
This circuit is an enhanced front end for upgrading a transistor AM receiver. This front end is beneficial when the radio is intended to function as a tunable IF amplifier with shortwave converters.
The circuit described serves as a sophisticated enhancement...
make this 1kva 1000 watts pure sine
The configuration depicted in the first diagram is a straightforward MOSFET-based design intended for current amplification at +/-60 volts, enabling the connected transformer to produce the required 1 kVA output. Transistors Q1 and Q2 constitute the initial differential amplifier stage,...
18v power supply using lm7818
This power supply operates effectively to provide a stable 18V DC output with a maximum current of 1.5A. The circuit employs an LM7818 positive voltage regulator integrated circuit (IC), which includes several built-in features such as internal current limiting, short...
Lessons on Electric Circuits Experiments
Digital circuits are circuits that handle signals restricted to binary states of zero and a maximum value. This is in contrast to analog circuits, where signals can vary continuously within the limits set by power supply voltage and circuit resistances....
Three-rail-power-supply
This circuit generates three supply voltages using a minimal number of components. Diodes D2 and D3 perform full-wave rectification, alternately charging capacitor C2 during both halves of the AC cycle. Meanwhile, diode D1 in conjunction with capacitor C1, and diode...
Cmos-oscillator
The common clock oscillator illustrated in Fig. 68-19A has two minor issues: it may not oscillate if the transition regions of its two gates differ. If it does oscillate, it might occasionally operate at a slightly lower frequency than predicted...
1.5V liquid crystal display circuit
The Motorola company's MC14440 CMOS integrated circuit is designed for timing and displaying calendar functions. It utilizes a 32.768 kHz NT cutting type quartz crystal along with fine-tune capacitance to generate time-based signals. The display circuit operates on a 1.5...
CD4013 Push Button CMOS Toggle Flip Flop
The circuit utilizes a CMOS dual D flip-flop (CD4013) to toggle a relay or other load using a momentary push button. Multiple push buttons can be connected in parallel to control the relay from various locations. A high signal from...